Home / 175,360.49-263,079.71-81,815.21

Finding the Fourth Proportional to 175,360.49, 263,079.71 and 81,815.21

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Solution

The fourth proportional to 175,360.49, 263,079.71 and 81,815.21 is: 122,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,360.49 : 263,079.71 = 81,815.21 : x
  2. Step 2: Convert to fraction form
    175,360.49/263,079.71 = 81,815.21/x
  3. Step 3: Cross multiply
    175,360.49x = 263,079.71 × 81,815.21
  4. Step 4: Simplify right side
    175,360.49x = 21,523,921,311.31
  5. Step 5: Solve for x
    x = 21,523,921,311.31/175,360.49
  6. Step 6: Final answer
    x = 122,741.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.